UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
FORM 15
 
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-32609
 
Rockwood Holdings, Inc.
(Exact name of registrant as specified in its charter)
 
451 Florida Street
Baton Rouge, Louisiana 70801
(225) 388-8011
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
 
Common Stock, par value $0.01 per share
Guarantees of 4.625% Senior Notes due 2020 of Rockwood Specialties Group, Inc.
(Title of each class of securities covered by this Form)
 
None
(Titles of all other classes of securities for which a duty to file reports under Section 13(a) or 15(d) remains)
 
Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:
 

 
 
Rule 12g-4(a)(1)
x
 
Rule 12g-4(a)(2)
o
 
Rule 12h-3(b)(1)(i)
x
 
Rule 12h-3(b)(1)(ii)
o
 
Rule 15d-6
o

Approximate number of holders of record as of the certification or notice date: 2
 
Pursuant to the requirements of the Securities Exchange Act of 1934, Rockwood Holdings, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.
 

 
Date:
  
January 29, 2015
  
By:
    /s/ Karen G. Narwold
           
Name:  Karen G. Narwold
           
Title:    President, Treasurer and Secretary